Before bolt and nut mounting hardware cotter pins were used to mount bail handles and in still are in numerous areas of the world. The cotter pins are inserted into the mounting holes, last 3/8" of pin is bent and hammered into back side of drawer. The pins are splayed once pushed thru to the inside. Last 3/8" of pin is bent and hammered into the back of the inside of the drawer to hold handle in place. Item measurements: handle: 1.5"H x 2.75"W x 3/8"D, Cotter Pins: 2.25"L x 1/8"W, Rosettes: 7/8" diameter.